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class="post-meta-label">字数总计:</span><span class="word-count">2.3k</span><span class="post-meta-separator">|</span><i class="far fa-clock fa-fw post-meta-icon"></i><span class="post-meta-label">阅读时长:</span><span>12分钟</span></span><span class="post-meta-separator">|</span><span class="post-meta-pv-cv" id="" data-flag-title="mall整合SpringBoot+MyBatis搭建基本骨架"><i class="far fa-eye fa-fw post-meta-icon"></i><span class="post-meta-label">阅读量:</span><span id="busuanzi_value_page_pv"><i class="fa-solid fa-spinner fa-spin"></i></span></span></div></div></div><article class="post-content" id="article-container"><p>本文主要讲解 mall 整合 SpringBoot+MyBatis 搭建基本骨架，以商品品牌为例实现基本的 CRUD 操作及通过 PageHelper 实现分页查询。</p>
<h2 id="👍-相关视频教程"><a href="#👍-相关视频教程" class="headerlink" title="#👍 相关视频教程"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%F0%9F%91%8D-%E7%9B%B8%E5%85%B3%E8%A7%86%E9%A2%91%E6%95%99%E7%A8%8B">#</a>👍 相关视频教程</h2><p><a target="_blank" rel="noopener" href="https://t.zsxq.com/0eXFWb0x7">mall整合SpringBoot+MyBatis搭建基本框架open in new window</a></p>
<h2 id="mysql数据库环境搭建"><a href="#mysql数据库环境搭建" class="headerlink" title="#mysql数据库环境搭建"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#mysql%E6%95%B0%E6%8D%AE%E5%BA%93%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA">#</a>mysql数据库环境搭建</h2><ul>
<li>下载并安装mysql5.7版本，下载地址：<a target="_blank" rel="noopener" href="https://dev.mysql.com/downloads/installer/">https://dev.mysql.com/downloads/installer/</a></li>
<li>设置数据库帐号密码：root root</li>
<li>下载并安装客户端连接工具Navicat,下载地址：<a target="_blank" rel="noopener" href="http://www.formysql.com/xiazai.html">http://www.formysql.com/xiazai.html</a></li>
<li>创建数据库mall</li>
<li>导入mall的数据库脚本，如果你使用的是<code>mall-learnging</code>项目中的代码的话，使用该脚本：<a target="_blank" rel="noopener" href="https://github.com/macrozheng/mall-learning/blob/master/document/sql/mall.sql">https://github.com/macrozheng/mall-learning/blob/master/document/sql/mall.sql</a></li>
<li>如果你使用的是<code>mall</code>项目的话，使用该脚本：<a target="_blank" rel="noopener" href="https://github.com/macrozheng/mall/blob/master/document/sql/mall.sql">https://github.com/macrozheng/mall/blob/master/document/sql/mall.sql</a></li>
</ul>
<h2 id="项目使用框架介绍"><a href="#项目使用框架介绍" class="headerlink" title="#项目使用框架介绍"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E9%A1%B9%E7%9B%AE%E4%BD%BF%E7%94%A8%E6%A1%86%E6%9E%B6%E4%BB%8B%E7%BB%8D">#</a>项目使用框架介绍</h2><h3 id="SpringBoot"><a href="#SpringBoot" class="headerlink" title="#SpringBoot"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#springboot">#</a>SpringBoot</h3><blockquote>
<p>SpringBoot可以让你快速构建基于Spring的Web应用程序，内置多种Web容器(如Tomcat)，通过启动入口程序的main函数即可运行。</p>
</blockquote>
<h3 id="PagerHelper"><a href="#PagerHelper" class="headerlink" title="#PagerHelper"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#pagerhelper">#</a>PagerHelper</h3><blockquote>
<p>MyBatis分页插件，简单的几行代码就能实现分页，在与SpringBoot整合时，只要整合了PagerHelper就自动整合了MyBatis。</p>
</blockquote>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">PageHelper.startPage(pageNum, pageSize);</span><br><span class="line">//之后进行查询操作将自动进行分页</span><br><span class="line">List&lt;PmsBrand&gt; brandList = brandMapper.selectByExample(new PmsBrandExample());</span><br><span class="line">//通过构造PageInfo对象获取分页信息，如当前页码，总页数，总条数</span><br><span class="line">PageInfo&lt;PmsBrand&gt; pageInfo = new PageInfo&lt;PmsBrand&gt;(list);</span><br></pre></td></tr></table></figure>

<h3 id="Druid"><a href="#Druid" class="headerlink" title="#Druid"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#druid">#</a>Druid</h3><blockquote>
<p>alibaba开源的数据库连接池，号称Java语言中最好的数据库连接池。</p>
</blockquote>
<h3 id="Mybatis-generator"><a href="#Mybatis-generator" class="headerlink" title="#Mybatis generator"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#mybatis-generator">#</a>Mybatis generator</h3><blockquote>
<p>MyBatis的代码生成器，可以根据数据库生成model、mapper.xml、mapper接口和Example，通常情况下的单表查询不用再手写mapper。</p>
</blockquote>
<h2 id="项目搭建"><a href="#项目搭建" class="headerlink" title="#项目搭建"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E9%A1%B9%E7%9B%AE%E6%90%AD%E5%BB%BA">#</a>项目搭建</h2><h3 id="使用IDEA初始化一个SpringBoot项目"><a href="#使用IDEA初始化一个SpringBoot项目" class="headerlink" title="#使用IDEA初始化一个SpringBoot项目"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E4%BD%BF%E7%94%A8idea%E5%88%9D%E5%A7%8B%E5%8C%96%E4%B8%80%E4%B8%AAspringboot%E9%A1%B9%E7%9B%AE">#</a>使用IDEA初始化一个SpringBoot项目</h3><p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/2024-02-02_23:04:57_arch_screen_01-ab5f2485.png"></p>
<h3 id="添加项目依赖"><a href="#添加项目依赖" class="headerlink" title="#添加项目依赖"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E6%B7%BB%E5%8A%A0%E9%A1%B9%E7%9B%AE%E4%BE%9D%E8%B5%96">#</a>添加项目依赖</h3><blockquote>
<p>在pom.xml中添加相关依赖。</p>
</blockquote>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br></pre></td><td class="code"><pre><span class="line">&lt;parent&gt;</span><br><span class="line">        &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;</span><br><span class="line">        &lt;artifactId&gt;spring-boot-starter-parent&lt;/artifactId&gt;</span><br><span class="line">        &lt;version&gt;2.1.3.RELEASE&lt;/version&gt;</span><br><span class="line">        &lt;relativePath/&gt; &lt;!-- lookup parent from repository --&gt;</span><br><span class="line">    &lt;/parent&gt;</span><br><span class="line">    &lt;dependencies&gt;</span><br><span class="line">        &lt;!--SpringBoot通用依赖模块--&gt;</span><br><span class="line">        &lt;dependency&gt;</span><br><span class="line">            &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;</span><br><span class="line">            &lt;artifactId&gt;spring-boot-starter-web&lt;/artifactId&gt;</span><br><span class="line">        &lt;/dependency&gt;</span><br><span class="line">        &lt;dependency&gt;</span><br><span class="line">            &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;</span><br><span class="line">            &lt;artifactId&gt;spring-boot-starter-actuator&lt;/artifactId&gt;</span><br><span class="line">        &lt;/dependency&gt;</span><br><span class="line">        &lt;dependency&gt;</span><br><span class="line">            &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;</span><br><span class="line">            &lt;artifactId&gt;spring-boot-starter-aop&lt;/artifactId&gt;</span><br><span class="line">        &lt;/dependency&gt;</span><br><span class="line">        &lt;dependency&gt;</span><br><span class="line">            &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;</span><br><span class="line">            &lt;artifactId&gt;spring-boot-starter-test&lt;/artifactId&gt;</span><br><span class="line">            &lt;scope&gt;test&lt;/scope&gt;</span><br><span class="line">        &lt;/dependency&gt;</span><br><span class="line">        &lt;!--MyBatis分页插件--&gt;</span><br><span class="line">        &lt;dependency&gt;</span><br><span class="line">            &lt;groupId&gt;com.github.pagehelper&lt;/groupId&gt;</span><br><span class="line">            &lt;artifactId&gt;pagehelper-spring-boot-starter&lt;/artifactId&gt;</span><br><span class="line">            &lt;version&gt;1.2.10&lt;/version&gt;</span><br><span class="line">        &lt;/dependency&gt;</span><br><span class="line">        &lt;!--集成druid连接池--&gt;</span><br><span class="line">        &lt;dependency&gt;</span><br><span class="line">            &lt;groupId&gt;com.alibaba&lt;/groupId&gt;</span><br><span class="line">            &lt;artifactId&gt;druid-spring-boot-starter&lt;/artifactId&gt;</span><br><span class="line">            &lt;version&gt;1.1.10&lt;/version&gt;</span><br><span class="line">        &lt;/dependency&gt;</span><br><span class="line">        &lt;!-- MyBatis 生成器 --&gt;</span><br><span class="line">        &lt;dependency&gt;</span><br><span class="line">            &lt;groupId&gt;org.mybatis.generator&lt;/groupId&gt;</span><br><span class="line">            &lt;artifactId&gt;mybatis-generator-core&lt;/artifactId&gt;</span><br><span class="line">            &lt;version&gt;1.3.3&lt;/version&gt;</span><br><span class="line">        &lt;/dependency&gt;</span><br><span class="line">        &lt;!--Mysql数据库驱动--&gt;</span><br><span class="line">        &lt;dependency&gt;</span><br><span class="line">            &lt;groupId&gt;mysql&lt;/groupId&gt;</span><br><span class="line">            &lt;artifactId&gt;mysql-connector-java&lt;/artifactId&gt;</span><br><span class="line">            &lt;version&gt;8.0.15&lt;/version&gt;</span><br><span class="line">        &lt;/dependency&gt;</span><br><span class="line">    &lt;/dependencies&gt;</span><br></pre></td></tr></table></figure>

<h3 id="修改SpringBoot配置文件"><a href="#修改SpringBoot配置文件" class="headerlink" title="#修改SpringBoot配置文件"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E4%BF%AE%E6%94%B9springboot%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6">#</a>修改SpringBoot配置文件</h3><blockquote>
<p>在application.yml中添加数据源配置和MyBatis的mapper.xml的路径配置。</p>
</blockquote>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br></pre></td><td class="code"><pre><span class="line">server:</span><br><span class="line">  port: 8080</span><br><span class="line"></span><br><span class="line">spring:</span><br><span class="line">  datasource:</span><br><span class="line">    url: jdbc:mysql://localhost:3306/mall?useUnicode=true&amp;characterEncoding=utf-8&amp;serverTimezone=Asia/Shanghai</span><br><span class="line">    username: root</span><br><span class="line">    password: root</span><br><span class="line"></span><br><span class="line">mybatis:</span><br><span class="line">  mapper-locations:</span><br><span class="line">    - classpath:mapper/*.xml</span><br><span class="line">    - classpath*:com/**/mapper/*.xml</span><br></pre></td></tr></table></figure>

<h3 id="项目结构说明"><a href="#项目结构说明" class="headerlink" title="#项目结构说明"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E9%A1%B9%E7%9B%AE%E7%BB%93%E6%9E%84%E8%AF%B4%E6%98%8E">#</a>项目结构说明</h3><p><img src="https://qiniu.ko25891wan.top/%E6%97%A5%E8%AE%B0%E8%BD%AF%E4%BB%B6/obsition/2024-02-02_23:04:57_arch_screen_02-151cd8d3.png"></p>
<h3 id="Mybatis-generator-配置文件"><a href="#Mybatis-generator-配置文件" class="headerlink" title="#Mybatis generator 配置文件"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#mybatis-generator-%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6">#</a>Mybatis generator 配置文件</h3><blockquote>
<p>配置数据库连接，Mybatis generator生成model、mapper接口及mapper.xml的路径。</p>
</blockquote>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br></pre></td><td class="code"><pre><span class="line">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;</span><br><span class="line">&lt;!DOCTYPE generatorConfiguration</span><br><span class="line">        PUBLIC &quot;-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN&quot;</span><br><span class="line">        &quot;http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd&quot;&gt;</span><br><span class="line"></span><br><span class="line">&lt;generatorConfiguration&gt;</span><br><span class="line">    &lt;properties resource=&quot;generator.properties&quot;/&gt;</span><br><span class="line">    &lt;context id=&quot;MySqlContext&quot; targetRuntime=&quot;MyBatis3&quot; defaultModelType=&quot;flat&quot;&gt;</span><br><span class="line">        &lt;property name=&quot;beginningDelimiter&quot; value=&quot;`&quot;/&gt;</span><br><span class="line">        &lt;property name=&quot;endingDelimiter&quot; value=&quot;`&quot;/&gt;</span><br><span class="line">        &lt;property name=&quot;javaFileEncoding&quot; value=&quot;UTF-8&quot;/&gt;</span><br><span class="line">        &lt;!-- 为模型生成序列化方法--&gt;</span><br><span class="line">        &lt;plugin type=&quot;org.mybatis.generator.plugins.SerializablePlugin&quot;/&gt;</span><br><span class="line">        &lt;!-- 为生成的Java模型创建一个toString方法 --&gt;</span><br><span class="line">        &lt;plugin type=&quot;org.mybatis.generator.plugins.ToStringPlugin&quot;/&gt;</span><br><span class="line">        &lt;!--可以自定义生成model的代码注释--&gt;</span><br><span class="line">        &lt;commentGenerator type=&quot;com.macro.mall.tiny.mbg.CommentGenerator&quot;&gt;</span><br><span class="line">            &lt;!-- 是否去除自动生成的注释 true：是 ： false:否 --&gt;</span><br><span class="line">            &lt;property name=&quot;suppressAllComments&quot; value=&quot;true&quot;/&gt;</span><br><span class="line">            &lt;property name=&quot;suppressDate&quot; value=&quot;true&quot;/&gt;</span><br><span class="line">            &lt;property name=&quot;addRemarkComments&quot; value=&quot;true&quot;/&gt;</span><br><span class="line">        &lt;/commentGenerator&gt;</span><br><span class="line">        &lt;!--配置数据库连接--&gt;</span><br><span class="line">        &lt;jdbcConnection driverClass=&quot;$&#123;jdbc.driverClass&#125;&quot;</span><br><span class="line">                        connectionURL=&quot;$&#123;jdbc.connectionURL&#125;&quot;</span><br><span class="line">                        userId=&quot;$&#123;jdbc.userId&#125;&quot;</span><br><span class="line">                        password=&quot;$&#123;jdbc.password&#125;&quot;&gt;</span><br><span class="line">            &lt;!--解决mysql驱动升级到8.0后不生成指定数据库代码的问题--&gt;</span><br><span class="line">            &lt;property name=&quot;nullCatalogMeansCurrent&quot; value=&quot;true&quot; /&gt;</span><br><span class="line">        &lt;/jdbcConnection&gt;</span><br><span class="line">        &lt;!--指定生成model的路径--&gt;</span><br><span class="line">        &lt;javaModelGenerator targetPackage=&quot;com.macro.mall.tiny.mbg.model&quot; targetProject=&quot;mall-tiny-01\src\main\java&quot;/&gt;</span><br><span class="line">        &lt;!--指定生成mapper.xml的路径--&gt;</span><br><span class="line">        &lt;sqlMapGenerator targetPackage=&quot;com.macro.mall.tiny.mbg.mapper&quot; targetProject=&quot;mall-tiny-01\src\main\resources&quot;/&gt;</span><br><span class="line">        &lt;!--指定生成mapper接口的的路径--&gt;</span><br><span class="line">        &lt;javaClientGenerator type=&quot;XMLMAPPER&quot; targetPackage=&quot;com.macro.mall.tiny.mbg.mapper&quot;</span><br><span class="line">                             targetProject=&quot;mall-tiny-01\src\main\java&quot;/&gt;</span><br><span class="line">        &lt;!--生成全部表tableName设为%--&gt;</span><br><span class="line">        &lt;table tableName=&quot;pms_brand&quot;&gt;</span><br><span class="line">            &lt;generatedKey column=&quot;id&quot; sqlStatement=&quot;MySql&quot; identity=&quot;true&quot;/&gt;</span><br><span class="line">        &lt;/table&gt;</span><br><span class="line">    &lt;/context&gt;</span><br><span class="line">&lt;/generatorConfiguration&gt;</span><br></pre></td></tr></table></figure>

<h3 id="运行Generator的main函数生成代码"><a href="#运行Generator的main函数生成代码" class="headerlink" title="#运行Generator的main函数生成代码"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E8%BF%90%E8%A1%8Cgenerator%E7%9A%84main%E5%87%BD%E6%95%B0%E7%94%9F%E6%88%90%E4%BB%A3%E7%A0%81">#</a>运行Generator的main函数生成代码</h3><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br></pre></td><td class="code"><pre><span class="line">package com.macro.mall.tiny.mbg;</span><br><span class="line"></span><br><span class="line">import org.mybatis.generator.api.MyBatisGenerator;</span><br><span class="line">import org.mybatis.generator.config.Configuration;</span><br><span class="line">import org.mybatis.generator.config.xml.ConfigurationParser;</span><br><span class="line">import org.mybatis.generator.internal.DefaultShellCallback;</span><br><span class="line"></span><br><span class="line">import java.io.InputStream;</span><br><span class="line">import java.util.ArrayList;</span><br><span class="line">import java.util.List;</span><br><span class="line"></span><br><span class="line">/**</span><br><span class="line"> * 用于生产MBG的代码</span><br><span class="line"> * Created by macro on 2018/4/26.</span><br><span class="line"> */</span><br><span class="line">public class Generator &#123;</span><br><span class="line">    public static void main(String[] args) throws Exception &#123;</span><br><span class="line">        //MBG 执行过程中的警告信息</span><br><span class="line">        List&lt;String&gt; warnings = new ArrayList&lt;String&gt;();</span><br><span class="line">        //当生成的代码重复时，覆盖原代码</span><br><span class="line">        boolean overwrite = true;</span><br><span class="line">        //读取我们的 MBG 配置文件</span><br><span class="line">        InputStream is = Generator.class.getResourceAsStream(&quot;/generatorConfig.xml&quot;);</span><br><span class="line">        ConfigurationParser cp = new ConfigurationParser(warnings);</span><br><span class="line">        Configuration config = cp.parseConfiguration(is);</span><br><span class="line">        is.close();</span><br><span class="line"></span><br><span class="line">        DefaultShellCallback callback = new DefaultShellCallback(overwrite);</span><br><span class="line">        //创建 MBG</span><br><span class="line">        MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);</span><br><span class="line">        //执行生成代码</span><br><span class="line">        myBatisGenerator.generate(null);</span><br><span class="line">        //输出警告信息</span><br><span class="line">        for (String warning : warnings) &#123;</span><br><span class="line">            System.out.println(warning);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<h3 id="添加MyBatis的Java配置"><a href="#添加MyBatis的Java配置" class="headerlink" title="#添加MyBatis的Java配置"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E6%B7%BB%E5%8A%A0mybatis%E7%9A%84java%E9%85%8D%E7%BD%AE">#</a>添加MyBatis的Java配置</h3><blockquote>
<p>用于配置需要动态生成的mapper接口的路径</p>
</blockquote>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line">package com.macro.mall.tiny.config;</span><br><span class="line"></span><br><span class="line">import org.mybatis.spring.annotation.MapperScan;</span><br><span class="line">import org.springframework.context.annotation.Configuration;</span><br><span class="line"></span><br><span class="line">/**</span><br><span class="line"> * MyBatis配置类</span><br><span class="line"> * Created by macro on 2019/4/8.</span><br><span class="line"> */</span><br><span class="line">@Configuration</span><br><span class="line">@MapperScan(&quot;com.macro.mall.tiny.mbg.mapper&quot;)</span><br><span class="line">public class MyBatisConfig &#123;</span><br><span class="line">&#125;</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h3 id="实现Controller中的接口"><a href="#实现Controller中的接口" class="headerlink" title="#实现Controller中的接口"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E5%AE%9E%E7%8E%B0controller%E4%B8%AD%E7%9A%84%E6%8E%A5%E5%8F%A3">#</a>实现Controller中的接口</h3><blockquote>
<p>实现PmsBrand表中的添加、修改、删除及分页查询接口。</p>
</blockquote>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br></pre></td><td class="code"><pre><span class="line">package com.macro.mall.tiny.controller;</span><br><span class="line"></span><br><span class="line">import com.macro.mall.tiny.common.api.CommonPage;</span><br><span class="line">import com.macro.mall.tiny.common.api.CommonResult;</span><br><span class="line">import com.macro.mall.tiny.mbg.model.PmsBrand;</span><br><span class="line">import com.macro.mall.tiny.service.PmsBrandService;</span><br><span class="line">import org.slf4j.Logger;</span><br><span class="line">import org.slf4j.LoggerFactory;</span><br><span class="line">import org.springframework.beans.factory.annotation.Autowired;</span><br><span class="line">import org.springframework.stereotype.Controller;</span><br><span class="line">import org.springframework.validation.BindingResult;</span><br><span class="line">import org.springframework.web.bind.annotation.*;</span><br><span class="line"></span><br><span class="line">import java.util.List;</span><br><span class="line"></span><br><span class="line"></span><br><span class="line">/**</span><br><span class="line"> * 品牌管理Controller</span><br><span class="line"> * Created by macro on 2019/4/19.</span><br><span class="line"> */</span><br><span class="line">@Controller</span><br><span class="line">@RequestMapping(&quot;/brand&quot;)</span><br><span class="line">public class PmsBrandController &#123;</span><br><span class="line">    @Autowired</span><br><span class="line">    private PmsBrandService demoService;</span><br><span class="line"></span><br><span class="line">    private static final Logger LOGGER = LoggerFactory.getLogger(PmsBrandController.class);</span><br><span class="line"></span><br><span class="line">    @RequestMapping(value = &quot;listAll&quot;, method = RequestMethod.GET)</span><br><span class="line">    @ResponseBody</span><br><span class="line">    public CommonResult&lt;List&lt;PmsBrand&gt;&gt; getBrandList() &#123;</span><br><span class="line">        return CommonResult.success(demoService.listAllBrand());</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @RequestMapping(value = &quot;/create&quot;, method = RequestMethod.POST)</span><br><span class="line">    @ResponseBody</span><br><span class="line">    public CommonResult createBrand(@RequestBody PmsBrand pmsBrand) &#123;</span><br><span class="line">        CommonResult commonResult;</span><br><span class="line">        int count = demoService.createBrand(pmsBrand);</span><br><span class="line">        if (count == 1) &#123;</span><br><span class="line">            commonResult = CommonResult.success(pmsBrand);</span><br><span class="line">            LOGGER.debug(&quot;createBrand success:&#123;&#125;&quot;, pmsBrand);</span><br><span class="line">        &#125; else &#123;</span><br><span class="line">            commonResult = CommonResult.failed(&quot;操作失败&quot;);</span><br><span class="line">            LOGGER.debug(&quot;createBrand failed:&#123;&#125;&quot;, pmsBrand);</span><br><span class="line">        &#125;</span><br><span class="line">        return commonResult;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @RequestMapping(value = &quot;/update/&#123;id&#125;&quot;, method = RequestMethod.POST)</span><br><span class="line">    @ResponseBody</span><br><span class="line">    public CommonResult updateBrand(@PathVariable(&quot;id&quot;) Long id, @RequestBody PmsBrand pmsBrandDto, BindingResult result) &#123;</span><br><span class="line">        CommonResult commonResult;</span><br><span class="line">        int count = demoService.updateBrand(id, pmsBrandDto);</span><br><span class="line">        if (count == 1) &#123;</span><br><span class="line">            commonResult = CommonResult.success(pmsBrandDto);</span><br><span class="line">            LOGGER.debug(&quot;updateBrand success:&#123;&#125;&quot;, pmsBrandDto);</span><br><span class="line">        &#125; else &#123;</span><br><span class="line">            commonResult = CommonResult.failed(&quot;操作失败&quot;);</span><br><span class="line">            LOGGER.debug(&quot;updateBrand failed:&#123;&#125;&quot;, pmsBrandDto);</span><br><span class="line">        &#125;</span><br><span class="line">        return commonResult;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @RequestMapping(value = &quot;/delete/&#123;id&#125;&quot;, method = RequestMethod.GET)</span><br><span class="line">    @ResponseBody</span><br><span class="line">    public CommonResult deleteBrand(@PathVariable(&quot;id&quot;) Long id) &#123;</span><br><span class="line">        int count = demoService.deleteBrand(id);</span><br><span class="line">        if (count == 1) &#123;</span><br><span class="line">            LOGGER.debug(&quot;deleteBrand success :id=&#123;&#125;&quot;, id);</span><br><span class="line">            return CommonResult.success(null);</span><br><span class="line">        &#125; else &#123;</span><br><span class="line">            LOGGER.debug(&quot;deleteBrand failed :id=&#123;&#125;&quot;, id);</span><br><span class="line">            return CommonResult.failed(&quot;操作失败&quot;);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @RequestMapping(value = &quot;/list&quot;, method = RequestMethod.GET)</span><br><span class="line">    @ResponseBody</span><br><span class="line">    public CommonResult&lt;CommonPage&lt;PmsBrand&gt;&gt; listBrand(@RequestParam(value = &quot;pageNum&quot;, defaultValue = &quot;1&quot;) Integer pageNum,</span><br><span class="line">                                                        @RequestParam(value = &quot;pageSize&quot;, defaultValue = &quot;3&quot;) Integer pageSize) &#123;</span><br><span class="line">        List&lt;PmsBrand&gt; brandList = demoService.listBrand(pageNum, pageSize);</span><br><span class="line">        return CommonResult.success(CommonPage.restPage(brandList));</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @RequestMapping(value = &quot;/&#123;id&#125;&quot;, method = RequestMethod.GET)</span><br><span class="line">    @ResponseBody</span><br><span class="line">    public CommonResult&lt;PmsBrand&gt; brand(@PathVariable(&quot;id&quot;) Long id) &#123;</span><br><span class="line">        return CommonResult.success(demoService.getBrand(id));</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h3 id="添加Service接口"><a href="#添加Service接口" class="headerlink" title="#添加Service接口"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E6%B7%BB%E5%8A%A0service%E6%8E%A5%E5%8F%A3">#</a>添加Service接口</h3><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br></pre></td><td class="code"><pre><span class="line">package com.macro.mall.tiny.service;</span><br><span class="line"></span><br><span class="line"></span><br><span class="line">import com.macro.mall.tiny.mbg.model.PmsBrand;</span><br><span class="line"></span><br><span class="line">import java.util.List;</span><br><span class="line"></span><br><span class="line">/**</span><br><span class="line"> * PmsBrandService</span><br><span class="line"> * Created by macro on 2019/4/19.</span><br><span class="line"> */</span><br><span class="line">public interface PmsBrandService &#123;</span><br><span class="line">    List&lt;PmsBrand&gt; listAllBrand();</span><br><span class="line"></span><br><span class="line">    int createBrand(PmsBrand brand);</span><br><span class="line"></span><br><span class="line">    int updateBrand(Long id, PmsBrand brand);</span><br><span class="line"></span><br><span class="line">    int deleteBrand(Long id);</span><br><span class="line"></span><br><span class="line">    List&lt;PmsBrand&gt; listBrand(int pageNum, int pageSize);</span><br><span class="line"></span><br><span class="line">    PmsBrand getBrand(Long id);</span><br><span class="line">&#125;</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h3 id="实现Service接口"><a href="#实现Service接口" class="headerlink" title="#实现Service接口"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E5%AE%9E%E7%8E%B0service%E6%8E%A5%E5%8F%A3">#</a>实现Service接口</h3><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br></pre></td><td class="code"><pre><span class="line">package com.macro.mall.tiny.service.impl;</span><br><span class="line"></span><br><span class="line">import com.github.pagehelper.PageHelper;</span><br><span class="line">import com.macro.mall.tiny.mbg.mapper.PmsBrandMapper;</span><br><span class="line">import com.macro.mall.tiny.mbg.model.PmsBrand;</span><br><span class="line">import com.macro.mall.tiny.mbg.model.PmsBrandExample;</span><br><span class="line">import com.macro.mall.tiny.service.PmsBrandService;</span><br><span class="line">import org.springframework.beans.factory.annotation.Autowired;</span><br><span class="line">import org.springframework.stereotype.Service;</span><br><span class="line"></span><br><span class="line">import java.util.List;</span><br><span class="line"></span><br><span class="line">/**</span><br><span class="line"> * PmsBrandService实现类</span><br><span class="line"> * Created by macro on 2019/4/19.</span><br><span class="line"> */</span><br><span class="line">@Service</span><br><span class="line">public class PmsBrandServiceImpl implements PmsBrandService &#123;</span><br><span class="line">    @Autowired</span><br><span class="line">    private PmsBrandMapper brandMapper;</span><br><span class="line"></span><br><span class="line">    @Override</span><br><span class="line">    public List&lt;PmsBrand&gt; listAllBrand() &#123;</span><br><span class="line">        return brandMapper.selectByExample(new PmsBrandExample());</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @Override</span><br><span class="line">    public int createBrand(PmsBrand brand) &#123;</span><br><span class="line">        return brandMapper.insertSelective(brand);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @Override</span><br><span class="line">    public int updateBrand(Long id, PmsBrand brand) &#123;</span><br><span class="line">        brand.setId(id);</span><br><span class="line">        return brandMapper.updateByPrimaryKeySelective(brand);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @Override</span><br><span class="line">    public int deleteBrand(Long id) &#123;</span><br><span class="line">        return brandMapper.deleteByPrimaryKey(id);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @Override</span><br><span class="line">    public List&lt;PmsBrand&gt; listBrand(int pageNum, int pageSize) &#123;</span><br><span class="line">        PageHelper.startPage(pageNum, pageSize);</span><br><span class="line">        return brandMapper.selectByExample(new PmsBrandExample());</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    @Override</span><br><span class="line">    public PmsBrand getBrand(Long id) &#123;</span><br><span class="line">        return brandMapper.selectByPrimaryKey(id);</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h2 id="项目源码地址"><a href="#项目源码地址" class="headerlink" title="#项目源码地址"></a><a target="_blank" rel="noopener" href="https://www.macrozheng.com/mall/architect/mall_arch_01.html#%E9%A1%B9%E7%9B%AE%E6%BA%90%E7%A0%81%E5%9C%B0%E5%9D%80">#</a>项目源码地址</h2><p><a target="_blank" rel="noopener" href="https://github.com/macrozheng/mall-learning/tree/master/mall-tiny-01">https://github.com/macrozheng/mall-learning/tree/master/mall-tiny-01</a></p>
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style="color: #24292e;"></i></a><a class="social-icon" href="mailto:ko25891wan@outlook.com" target="_blank" title="Email"><i class="fas fa-envelope" style="color: #4a7dbe;"></i></a></div></div><div class="card-widget card-announcement"><div class="item-headline"><i class="fas fa-bullhorn fa-shake"></i><span>公告</span></div><div class="announcement_content">This is my Blog</div></div><div class="sticky_layout"><div class="card-widget" id="card-toc"><div class="item-headline"><i class="fas fa-stream"></i><span>目录</span><span class="toc-percentage"></span></div><div class="toc-content"><ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#%F0%9F%91%8D-%E7%9B%B8%E5%85%B3%E8%A7%86%E9%A2%91%E6%95%99%E7%A8%8B"><span class="toc-number">1.</span> <span class="toc-text">👍 相关视频教程</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#mysql%E6%95%B0%E6%8D%AE%E5%BA%93%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA"><span class="toc-number">2.</span> <span class="toc-text">mysql数据库环境搭建</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E9%A1%B9%E7%9B%AE%E4%BD%BF%E7%94%A8%E6%A1%86%E6%9E%B6%E4%BB%8B%E7%BB%8D"><span class="toc-number">3.</span> <span class="toc-text">项目使用框架介绍</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#SpringBoot"><span class="toc-number">3.1.</span> <span class="toc-text">SpringBoot</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#PagerHelper"><span class="toc-number">3.2.</span> <span class="toc-text">PagerHelper</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Druid"><span class="toc-number">3.3.</span> <span class="toc-text">Druid</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Mybatis-generator"><span class="toc-number">3.4.</span> <span class="toc-text">Mybatis generator</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E9%A1%B9%E7%9B%AE%E6%90%AD%E5%BB%BA"><span class="toc-number">4.</span> <span class="toc-text">项目搭建</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BD%BF%E7%94%A8IDEA%E5%88%9D%E5%A7%8B%E5%8C%96%E4%B8%80%E4%B8%AASpringBoot%E9%A1%B9%E7%9B%AE"><span class="toc-number">4.1.</span> <span class="toc-text">使用IDEA初始化一个SpringBoot项目</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%B7%BB%E5%8A%A0%E9%A1%B9%E7%9B%AE%E4%BE%9D%E8%B5%96"><span class="toc-number">4.2.</span> <span class="toc-text">添加项目依赖</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9SpringBoot%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6"><span class="toc-number">4.3.</span> <span class="toc-text">修改SpringBoot配置文件</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E9%A1%B9%E7%9B%AE%E7%BB%93%E6%9E%84%E8%AF%B4%E6%98%8E"><span class="toc-number">4.4.</span> <span class="toc-text">项目结构说明</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Mybatis-generator-%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6"><span class="toc-number">4.5.</span> <span class="toc-text">Mybatis generator 配置文件</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E8%BF%90%E8%A1%8CGenerator%E7%9A%84main%E5%87%BD%E6%95%B0%E7%94%9F%E6%88%90%E4%BB%A3%E7%A0%81"><span class="toc-number">4.6.</span> <span class="toc-text">运行Generator的main函数生成代码</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%B7%BB%E5%8A%A0MyBatis%E7%9A%84Java%E9%85%8D%E7%BD%AE"><span class="toc-number">4.7.</span> <span class="toc-text">添加MyBatis的Java配置</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E5%AE%9E%E7%8E%B0Controller%E4%B8%AD%E7%9A%84%E6%8E%A5%E5%8F%A3"><span class="toc-number">4.8.</span> <span class="toc-text">实现Controller中的接口</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%B7%BB%E5%8A%A0Service%E6%8E%A5%E5%8F%A3"><span class="toc-number">4.9.</span> <span class="toc-text">添加Service接口</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E5%AE%9E%E7%8E%B0Service%E6%8E%A5%E5%8F%A3"><span class="toc-number">4.10.</span> <span class="toc-text">实现Service接口</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E9%A1%B9%E7%9B%AE%E6%BA%90%E7%A0%81%E5%9C%B0%E5%9D%80"><span class="toc-number">5.</span> <span class="toc-text">项目源码地址</span></a></li></ol></div></div><div class="card-widget card-recent-post"><div class="item-headline"><i class="fas fa-history"></i><span>最新文章</span></div><div class="aside-list"><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/2024/02/c60470b9a892.html" title="Java集合使用注意事项总结">Java集合使用注意事项总结</a><time datetime="2024-02-03T04:58:22.000Z" title="发表于 2024-02-03 12:58:22">2024-02-03</time></div></div><div class="aside-list-item no-cover"><div 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